Weekend Site Reliability Engineer

What you’ll be doing

Work with a team of DevOps and DBA professionals; covering Saturday, Sunday and Monday (5 days in total with flexibility in your days off) as a Weekend SRE

Improve existing infrastructure and processes across the countries we’re deployed in, as well as streamlining processes to deploy to new countries in the future

Continuously improve Kubernetes platform stability and efficiency, with a focus on optimising resource utilisation, reducing costs, and streamlining environment provisioning through GitOps-first practices

Monitor and maintain cloud infrastructure through autoscaling, alerting pipelines, and Grafana dashboards covering metrics, logs, traces, and real user monitoring (RUM)

Own weekend on-call operations, triaging and responding to production incidents, performing root cause analysis, and driving post-incident reviews

Design and manage alert pipelines to ensure actionable signal quality, with attention to preventing alert fatigue, waterfall alerting, and notification flooding

Define and maintain SLIs and SLOs for critical services, and use them to drive reliability improvements and on-call prioritisation

Take ownership and responsibility for our cloud operation activities

Liaise with external security agencies for annual audits as well as perform our own internal security sweeps

Aid in reconfiguring existing architecture to allow for rapid deployments to new countries

Mentoring less experienced team members

What you’ll bring

3+ years DevOps / platform engineering experience

Must be based in Europe or Asia or LatAM

Experience independently leading the planning and deployment of a project

Experienced with cloud platforms, especially AWS, including solid knowledge of how to utilise cloud resources to fulfil the demand from other teams and production

Strong understanding of Kubernetes and container orchestration, with experience in EKS and GitOps tooling such as ArgoCD and Helm being highly valued

Experience with Infrastructure-as-Code, particularly Terraform

Proficiency in scripting and automation with Bash, Python, or Golang; experience with Rust is a plus

Hands-on experience with observability stacks covering metrics, logs, distributed traces, and profiling, for example Prometheus, Loki, Tempo, Pyroscope, and OpenTelemetry

Experience with real user monitoring (RUM), with familiarity in Grafana Faro or OpenTelemetry SDK instrumentation being a plus

Proven on-call and incident response experience, comfortable triaging production issues under pressure, leading post-mortems, and driving follow-up actions

Ability to design and maintain alert frameworks that minimise noise, prevent alert fatigue, and avoid waterfall alerting patterns

Experience defining SLIs and SLOs and using them to inform reliability work

Familiarity with service mesh concepts is a plus, as we are actively evaluating Cilium-based service mesh in non-production environments

Solid networking knowledge, especially the TCP / IP stack and HTTP protocol

Experience handling high HTTP request volumes and designing systems for high availability and high traffic environments

A strong understanding of cache, including CDN, HTTP cache, Redis / Memcached

Excellent troubleshooting skills, including Linux OS issue diagnosis and OS parameter optimisation, JVM optimisation would be highly advantageous

Our stack

Languages: Java / Spring Boot, Node.js, Python, JavaScript

Database: Aurora MySQL & PostgreSQL, MongoDB, MySQL Community

Cache: ElastiCache, Redis, Valkey

Messaging: Apache RocketMQ, AutoMQ, Kafka

Networking & Proxy: Nginx, Kong, Cilium, eBPF

Orchestration & GitOps: Docker, Kubernetes (EKS), ArgoCD, Helm

Computing & Storage: AWS EC2, VPC, AWS Lambda, EBS, S3

CI/CD: Jenkins, GitHub Actions

Metrics: Prometheus, Mimir, Grafana, Alertmanager

Logs: Loki, Vector

Traces: Tempo, OpenTelemetry, Alloy

Profiling: Pyroscope

RUM: Grafana Faro, OpenTelemetry SDK

Infrastructure as Code: Terraform

CDN & Edge: Cloudflare, AWS CloudFront

AWS CloudWatch

What’s in it for you

Sporty is a remote first company in pursuit of sustainability

A competitive salary + individual performance based bonuses every quarter

28 days paid annual leave

Our core working hours are 10am-3pm in your local time zone with flexibility outside of this

Referral bonuses & flash bonuses

Top of the line equipment

Annual company retreats to provide great internal networking opportunities

Interview process

Remote video screening with our Talent Acquisition Team

Online assessment via Hackerrank

Remote video interview with 3 x Team Members (45 mins each, not separate days)

If you're interested, we encourage you to apply! Every application is reviewed by a member of our team (AI is not used in our recruitment process), and we aim to respond within 48 hours.

#LI-remote